Laws › Business, Investment & Tax
Income Tax Act
소득세법
This English translation is based on the Korean text effective 2024-05-17. The Korean law has since been amended (current version effective 2026-07-01) — check the Korean original.
Articles
- CHAPTER I GENERAL PROVISIONS
- Article 1 Purpose
- Article 1-2 Definitions
- Article 2 Tax Liability
- Article 2-2 Scope of Tax Liability
- Article 2-3 Scope of Tax Liability for Income Vested in Trust Asset
- Article 3 Scope of Taxable Income
- Article 4 Classification of Income
- Article 5 Taxable Period
- Article 6 Place for Tax Payment
- Article 7 Place for Tax Payment in Cases of Withholding, etc.
- Article 8 Place for Tax Payment in Cases of Inheritance, etc.
- Article 9 Designation of Place for Tax Payment
- Article 10 Report on Change of Place for Tax Payment
- Article 11 Jurisdiction over Taxation
- CHAPTER II TAX LIABILITY ON RESIDENT'S GLOBAL INCOME AND RETIREMENT INCOME
- SECTION 1 Non-Taxation
- Article 12 Non-Taxable Income
- Article 13 null
- SECTION 2 Calculation of Tax Base and Tax Amount
- Subsection 1 Common Provisions on Calculation of Tax Amount
- Article 14 Calculation of Tax Base
- Article 15 Order in Calculation of Tax Amount
- Subsection 2 Categories and Amount of Income
- Article 16 Interest Income
- Article 17 Dividend Income
- Article 18 null
- Article 19 Business Income
- Article 20 Wage and Salary Income
- Article 20-2 null
- Article 20-3 Pension Income
- Article 21 Other Income
- Article 22 Retirement Income
- Article 23 null
- SECTION 3 Calculation of Amount of Income
- Subsection 1 Total Amount of Income
- Article 24 Calculation of Total Amount of Income
- Article 25 Special Cases concerning Calculation of Total Amount of Income
- Article 26 Exclusion from Total Income
- Subsection 2 Necessary Expenses
- Article 27 Calculation of Necessary Expenses of Business Income
- Article 28 Calculation of Allowance for Bad Debts as Necessary Expenses
- Article 29 Calculation of Reserves for Retirement Benefits as Necessary Expenses
- Article 30 null
- Article 31 Calculation of Necessary Expenses for Value of Assets Acquired with Gains on Insurance Settlement
- Article 32 Calculation of Value of Assets for Business Acquired with National Subsidies as Necessary Expenses
- Article 33 Exclusion from Necessary Expenses
- Article 33-2 Special Cases concerning Exclusion of Expenses, etc. Related to Business-Use Passenger Vehicles from Necessary Expenses
- Article 34 Exclusion of Donations from Necessary Expenses
- Article 35 Exclusion of Business Promotion Expenses from Necessary Expenses
- Article 36 null
- Article 37 Calculation of Necessary Expenses of Other Income
- Article 38 null
- Subsection 3 Attributed Tax Year and Value of Acquisition
- Article 39 Year to which Total Income and Necessary Expenses are Attributed, etc.
- Article 40 null
- Subsection 4 Special Cases concerning Calculation of Amount of Income
- Article 41 Calculation by Wrongful Acts
- Article 42 Special Cases concerning Calculation of Amount of Income on Transactions with Nonresident, etc.
- Article 43 Special Cases concerning Calculation of Joint Business Income
- Article 44 Separate Calculation of Amount of Income in Cases of Inheritance
- Article 45 Deduction of Losses and Losses Carried Forward
- Article 46 Special Cases concerning Calculation of Amount of Income from Bonds, etc.
- Article 46-2 Special Cases concerning Calculation of Interest Income due to Early Cancellation
- Subsection 5 Wage and Salary Income Deduction, Pension Income Deduction, and Retirement Income Deduction
- Article 47 Wage and Salary Income Deduction
- Article 47-2 Pension Income Deduction
- Article 48 Retirement Income Deduction
- Article 49 null
- Subsection 6 Global Income Deduction
- Article 50 Basic Deduction
- Article 51 Additional Deduction
- Article 51-2 null
- Article 51-3 Pension Contribution Deduction
- Article 51-4 Interest Expense Deduction for Reverse Mortgage-Backed Retirement Pension System
- Article 52 Special Income Deduction
- Article 53 Scope of Dependents Living Together and Time for Determination thereof
- Article 54 Exclusion from Global Income Deduction, etc.
- Article 54-2 Special Cases concerning Income Deduction for Joint Business, etc.
- SECTION 4 Calculation of Tax
- Subsection 1 Tax Rates
- Article 55 Tax Rates
- Subsection 2 Tax Credit
- Article 56 Dividend Tax Credit
- Article 56-2 Tax Credit for Bookkeeping
- Article 56-3 Tax Credit for Transmission of Issued Electronic Invoices
- Article 57 Foreign Tax Credit
- Article 57-2 Special Cases concerning Foreign Tax Credit on Income Received from Indirect Investment Company, etc.
- Article 58 Tax Credit for Casualty Loss
- Article 59 Tax Credit for Wage and Salary Income
- Article 59-2 Tax Credit for Children
- Article 59-3 Tax Credit for Pension Accounts
- Article 59-4 Special Tax Credits
- Article 59-5 Reduction or Exemption of Tax
- Article 60 Order of Application, etc. of Tax Reduction or Exemption or Tax Credit
- Article 61 Methods of Application, etc. where Tax Exemption or Reduction or Tax Credit Exceeds Calculated Tax Amount
- SECTION 5 Special Cases in Calculation of Tax
- Article 62 Special Case concerning Calculation of Tax in Relation to Global Taxation on Interest Income, etc.
- Article 63 Special Case concerning Calculations of Tax on Excess Repayment from Workplace Mutual-Aid Association
- Article 64 Special Cases concerning Calculation of Tax Amount for Real Estate Broker
- Article 64-2 Special Cases concerning Calculation of Tax Amount on House Rental Income
- Article 64-3 Special Cases concerning Calculation of Tax on Other Income Subject to Separate Taxation
- Article 64-4 Special Cases concerning Calculation of Tax on Pension Income
- SECTION 6 Interim Prepayment, Preliminary Return and Payment of Tax
- Subsection 1 Interim Prepayment
- Article 65 Interim Prepayment
- Article 66 null
- Article 67 null
- Article 68 Special Cases concerning Interim Prepayment by Member of Taxpayers Association
- Subsection 2 Preliminary Return on Profit Margin from Sale of Land, etc. and Payment
- Article 69 Preliminary Return on Profit Margin from Sale and Purchase of Land, etc. and Voluntary Payment by Real Estate Broker
- SECTION 7 Final Return on Tax Base and Voluntary Payment
- Article 70 Final Return on Tax Base of Global Income
- Article 70-2 Submission of Certificate of Confirmation of Compliant Filing
- Article 71 Final Return on Tax Base of Retirement Income
- Article 72 null
- Article 73 Exception to Final Return on Tax Base
- Article 74 Special Cases concerning Final Return on Tax Base
- Article 75 Application for Reduction or Exemption of Tax
- Article 76 Final Tax Return and Payment
- Article 77 Payment in Installment
- SECTION 8 Report and Confirmation on Present Status of Place of Business
- Article 78 Report on Present Status of Place of Business
- Article 79 Investigation and Confirmation on Present Status of Place of Business
- SECTION 9 Determination, Correction, Collection and Refund
- Subsection 1 Determination and Correction of Tax Base
- Article 80 Determination and Correction
- Article 81 Penalty Tax for Non-Submission or Faulty Preparation of Detailed Statement of Reception of Receipts
- Article 81-2 Penalty Tax for Non-Submission of Certificate of Confirmation of Compliant Filing
- Article 81-3 Penalty Tax for Non-Submission or Faulty Preparation of Report on Present Status of Place of Business
- Article 81-4 Penalty Tax for Failure to Register or Report on Place of Joint Business
- Article 81-5 Penalty Tax for Failure in Record-Keeping or Incorrect Entries
- Article 81-6 Penalty Tax for Non-Receipt or Faulty Receipt of Evidentiary Documents
- Article 81-7 Penalty Tax for Faulty Inssuance, Preparation, or Retention of Donation Receipt
- Article 81-8 Penalty Tax for Faulty?Report and Use of Business Account
- Article 81-9 Penalty Tax for Faulty Issuance of Credit Card and Cash Receipt
- Article 81-10 Penalty Tax for Faulty Submission of Invoice
- Article 81-11 Penalty Tax for Non-Submission or Faulty Submission of Payment Statement, etc.
- Article 81-12 Penalty Tax for Non-Registration of House Rental Business Entity
- Article 81-13 Penalty Tax for Faulty Submission of Calculation Statement of Reserved Income of Specific Foreign Corporation
- Article 81-14 Penalty Tax for Faulty Submission of Statement of Expenses Related to Business-Use Passenger Vehicle
- Article 82 Determination of Occasional Imposition
- Article 83 Notification of Tax Base and Amount of Tax
- Article 84 Threshold of Taxation on Other Income
- Subsection 2 Collection and Refund of Tax
- Article 85 Collection and Refunds
- Article 85-2 Refund from Loss Carryback of Small or Medium Enterprise
- Article 86 Non-Collection of Small Sum
- SECTION 10 Special Cases concerning Places of Joint Business
- Article 87 Special Cases concerning Places of Joint Business
- CHAPTER II-2 RESIDENT'S TAX LIABILITIES FOR FINANCIAL INVESTMENT INCOME[Enforcement Date: Jan. 1, 2025]
- SECTION 1 Definition[Enforcement Date: Jan. 1, 2025]
- Article 87-2 Definitions
- SECTION 2 Non-Taxation of Financial Investment Income[Enforcement Date: Jan. 1, 2025]
- Article 87-3 Non-Taxable Financial Investment Income
- SECTION 3 Calculating Tax Base and Tax Amount of Financial Investment Income[Enforcement Date: Jan. 1, 2025]
- Article 87-4 Calculating Tax Base of Financial Investment Income
- Article 87-5 Calculation Order for Financial Investment Income Tax Amount
- CHAPTER III RESIDENT'S TAX LIABILITIES FOR CAPITAL GAINS
- SECTION 1 Definition of Transfer
- Article 88 Definitions
- SECTION 2 Non-Taxation and Reduction and Exemption of Capital Gains
- Article 89 Non-Taxable Capital Gains
- Article 90 Reduction and Exemption of Capital Gains Tax
- Article 91 Exclusion of Non-Taxation, Reduction or Exemption of Capital Gains Tax
- SECTION 3 Computation of Tax Base and Tax of Capital Gains
- Article 92 Calculation of Tax Base of Capital Gains
- Article 93 Order in Calculation of Amount of Capital Gains Tax
- SECTION 4 Computation of Amount of Capital Gains
- Article 94 Scope of Capital Gains
- Article 95 Amount of Capital Gains
- Article 96 Transfer Value
- Article 97 Calculation of Necessary Expenses for Capital Gains
- Article 97-2 Special Cases concerning Necessary Expenses for Capital Gains
- Article 98 Time of Transfer or Acquisition
- Article 99 Computation of Assessed Value
- Article 99-2 Application for Reassessment and Public Notification of Assessed Value
- Article 100 Computation of Gains on Transfer
- Article 101 Calculation of Capital Gains by Wrongful Acts
- Article 102 Separate Calculation of Amount of Capital Gains
- SECTION 5 Basic Deduction for Capital Gains
- Article 103 Basic Deduction for Capital Gains
- SECTION 6 Calculation of Tax Amount of Capital Gains
- Article 104 Tax Rates of Capital Gains
- Article 104-2 Operation of Designated Area
- Article 104-3 Scope of Land for Non-Business Use
- SECTION 7 Preliminary Return on Tax Base of Capital Gains and Payment
- Article 105 Preliminary Return on Tax Base of Capital Gains
- Article 106 Payment by Preliminary Return
- Article 107 Calculation of Tax for Preliminary Return
- Article 108 Submission of Real Estate Transfer Notification Certificate by Korean National Residing Abroad and Foreigner
- Article 109 null
- SECTION 8 Final Return on Tax Base of Capital Gains and Payment
- Article 110 Final Return on Tax Base of Capital Gains
- Article 111 Final Return and Payment
- Article 112 Payment of Capital Gains Tax in Installment
- Article 112-2 null
- Article 113 null
- SECTION 9 Determination, Correction, Collection and Refund of Capital Gains
- Article 114 Determination, Correction, and Notification of Tax Base and Tax Amount on Capital Gains
- Article 114-2 Penalty Tax on Application of Appraised Value or Converted Acquisition Value
- Article 115 null
- Article 115-2 Submission of Statement of Changes in the List of Beneficiaries
- Article 116 Collection of Capital Gains Tax
- Article 117 Refund of Capital Gains Tax
- Article 118 Provisions Applicable Mutatis Mutandis
- SECTION 10 Capital Gains Tax on Transfer of Overseas Assets
- Article 118-2 Scope of Capital Gains from Overseas Assets
- Article 118-3 Value of Transfer of Overseas Assets
- Article 118-4 Calculation of Necessary Expenses of Capital Gains from Overseas Assets
- Article 118-5 Tax Rate of Capital Gains from Overseas Assets
- Article 118-6 Credit for Foreign Taxes Paid on Capital Gains from Overseas Assets
- Article 118-7 Basic Deduction for Capital Gains from Overseas Assets
- Article 118-8 Provisions Applicable Mutatis Mutandis for Transfer of Overseas Assets
- SECTION 11 Special Cases concerning Taxation on Domestic Stocks, etc. upon Departure of Residents
- SECTION 11 Deleted.[Enforcement Date: Jan. 1, 2025]
- Article 118-9 null
- Article 118-10 null
- Article 118-11 null
- Article 118-12 null
- Article 118-13 null
- Article 118-14 null
- Article 118-15 null
- Article 118-16 null
- Article 118-17 null
- Article 118-18 null
- CHAPTER IV TAX LIABILITIES OF NONRESIDENTS
- SECTION 1 Common Provisions concerning Calculation of Tax on Nonresidents
- Article 119 Domestic Source Income of Nonresident
- Article 119-2 Special Cases Concerning Substantive Owner in Foreign Investment Vehicle
- Article 119-3 Special Cases concerning Taxation on Interest and Capital Gains of State Bonds, etc. of Nonresident
- Article 120 Domestic Place of Business of Nonresident
- Article 121 Method of Taxation on Nonresident
- SECTION 2 Global Taxation on Nonresident
- Article 122 Calculation of Tax Base and Tax Amount in Cases of Global Taxation on Nonresident
- Article 123 null
- Article 124 Return and Payment by Nonresident
- Article 125 Determination and Collection of Tax Base and Tax for Nonresident
- SECTION 3 Separate Taxation on Nonresident
- Article 126 Calculation of Tax Base and Tax Amount in Cases of Separate Taxation on Nonresident
- Article 126-2 Special Cases concerning Return and Payment of Income from Transfer of Securities of Nonresident
- CHAPTER V WITHHOLDING OF TAXES
- SECTION 1 Withholding of Taxes
- Subsection 1 Withholding Agent and Collection/Payment
- Article 127 Liability for Withholding Taxes
- Article 128 Payment of Withholding Tax
- Article 128-2 Special Cases concerning Penalty Tax for Late Payment of Withholding Tax
- Article 129 Withholding Tax Rates
- Subsection 2 Tax Withholding from Interest Income or Dividend Income
- Article 130 Timing and Methods for Withholding Taxes from Interest Income and Dividend Income
- Article 131 Special Cases concerning Timing for Withholding Taxes from Interest Income and Dividend Income
- Article 132 null
- Article 133 Issuance of Withholding Tax Receipt on Interest Income, etc.
- Article 133-2 Special Cases concerning Withholding Tax on Bonds, etc.
- Subsection 3 Withholding Tax from Wage and Salary Income
- Article 134 Timing and Methods for Withholding Taxes from Wage and Salary Income
- Article 135 Special Cases concerning Date of Collection of Withholding Taxes
- Article 136 Tax Withheld from Bonus, etc.
- Article 137 Year-End Tax Settlement of Amount of Wage and Salary Income Tax
- Article 137-2 Year-end Tax Settlement of Wage and Salary Income Tax for Persons who Receives Wages and Salaries from Two or More Persons
- Article 138 Year-end Tax of Wage and Salary Income Tax for Reemployed Persons
- Article 139 Carryforward of Shortage in Collection
- Article 140 Return on Income Deduction, etc. by Wage and Salary Income Earner
- Article 141 null
- Article 142 null
- Article 143 Issuance of Withholding Tax Receipt on Wage and Salary Income
- Subsection 3-2 Withholding Tax from Pension Income
- Article 143-2 Timing and Methods for Withholding Tax from Pension Income
- Article 143-3 null
- Article 143-4 Year-end Tax Settlement of Public Pension Income Tax
- Article 143-5 Carryforward of Shortage in Collection
- Article 143-6 Return on Income Deduction, etc. by Pension Income Earner
- Article 143-7 Issuance of Withholding Tax Receipts for Pension Income
- Subsection 4 Withholding Tax from Business Income
- Article 144 Timing and Methods for Withholding from Business Income and Issuance of Withholding Tax Receipt
- Article 144-2 Year-end Tax Settlement of Business Income Tax Except for Final Return on Tax Base
- Article 144-3 Return on Income Deduction, etc. for Year-end Tax Settlement of Business Income Earner
- Article 144-4 Issuance of Withholding Tax Receipt on Business Income subject to Year-end Tax Settlement
- Article 144-5 Special Cases concerning Timing for Withholding Tax from Business Income for Year-end Tax Settlement
- Subsection 5 Withholding Tax from Other Income
- Article 145 Timing and Methods for Withholding Tax from Other Income and Issuance of Withholding Tax Receipt
- Article 145-2 Special Cases concerning Timing for Withholding Taxes from Other Income
- Article 145-3 Year-End Settlement, etc. of Religious Persons’ Income
- Subsection 6 Withholding Tax From Retirement Income
- Article 146 Timing and Methods for Withholding Tax from Retirement Income and Issuance, etc. of Withholding Tax Receipt
- Article 146-2 Special Cases concerning Accrual of Income and Deferment of Collection of Income Tax in Cases of Income-Deferred Retirement Income
- Article 147 Special Cases concerning Timing for Withholding Taxes from Retirement Income
- Article 148 Settlement, etc. of Tax on Retirement Income
- SECTION 2 Tax Withholding by Taxpayers Association
- Article 149 Organization of Taxpayers Association
- Article 150 Liability of Taxpayers Association to Collect Taxes
- Article 151 Payment of Tax Collected by Taxpayers Association
- Article 152 Method of Collection by Taxpayers Association
- Article 153 Management of Tax Payment by Taxpayers Association
- SECTION 3 Special Cases concerning Tax Withholding
- Article 154 Exemption from Tax Withholding
- Article 155 Exclusion from Tax Withholding
- Article 155-2 Special Cases concerning Withholding Taxes from Specified Money in Trust, etc.
- Article 155-3 Special Cases concerning Tax Withholding of Collective Investment Scheme
- Article 155-4 Special Cases concerning Withholding Taxes from Bonus
- Article 155-5 Special Cases concerning Withholding Taxes on Income Generated from Transfer of Paintings, Calligraphic Works, and Antiques
- Article 155-6 Exception to Withholding Taxes on Religious Persons’ Income
- Article 155-7 Special Cases concerning Withholding of Tax on Income Accruing from Non-Real Name Assets
- Article 156 Special Cases concerning Withholding Taxes from Domestic Source Income of Nonresident
- Article 156-2 Application for Non-Taxation or Tax Exemption under Tax Treaty by Nonresident
- Article 156-3 Special Cases concerning Withholding Tax on Bonds, etc. of Nonresident
- Article 156-4 Special Cases concerning Procedures for Withholding Taxes from Nonresidents in Specific District
- Article 156-5 Special Cases concerning Tax Withholding Procedures Related to Services Rendered by Nonresident Entertainers
- Article 156-6 Special Cases concerning Procedures for Withholding Taxes from Nonresidents for Application of Reduced Tax Rate under Tax Treaty
- Article 156-7 Special Cases concerning Withholding Tax on Income of Temporary Staffing Agency Workers of Foreign Corporations
- Article 156-8 Special Cases concerning Application of Tax Rates on Interest, Dividends, and Royalties
- Article 157 Succession to Tax Withholding
- SECTION 4 (Articles 158 and 159) Deleted.
- Article 158 null
- Article 159 null
- CHAPTER VI SUPPLEMENTARY PROVISIONS
- Article 160 Keeping of and Entry in Books
- Article 160-2 Receipt and Keeping of Documentary Evidence of Disbursement of Expenses, etc.
- Article 160-3 Obligations, etc. to Prepare and Retain Details of Issuance of Receipts for Donation
- Article 160-4 Obligations, etc. of Financial Companies, etc. to Prepare and Retain Details of Issuance of Certificates
- Article 160-5 Obligations, etc. to Report and Use Business Accounts
- Article 161 Keeping Separate Entry
- Article 162 Installation and Use of Cash Registers
- Article 162-2 Obligations to Become Member of Credit Card Member Stores and to Issue Credit Card Sales Slips
- Article 162-3 Obligations, etc. to Register as Cash Receipt Merchant and to Issue Cash Receipts for Cash Payment
- Article 163 Preparation, Issuance, etc. of Invoices
- Article 163-2 Submission of Aggregate Table of Tax Invoices by Seller
- Article 163-3 Purchaser-Issued Invoice
- Article 164 Submission of Statement of Payment
- Article 164-2 Special Cases concerning Obligations to Submit Statement of Payment on Domestic Source Income, etc. of Nonresidents
- Article 164-3 Submission of Simplified Statement of Payment
- Article 164-4 Submission of Transaction Details of Virtual Assets
- Article 165 Submission of Supporting Documents for Income Deduction and Tax Credits and Administrative Guidance therefor
- Article 165-2 null
- Article 165-3 null
- Article 165-4 null
- Article 166 Use of Data Processing Information, etc. on Resident Registration
- Article 167 Submission of Certified Copy of Resident Registration Card
- Article 168 Registration of Business Entity and Assignment of Taxpayer Code Numbers
- Article 169 Grant of Subsidy
- Article 170 Inquiry and Investigation
- Article 171 Consultation
- Article 172 Perusal of Documents Related to Sale, Registration and Entry
- Article 173 Submission of Taxation Data for Service Providers
- Article 174 Submission of Materials for Payment of Insurance Payment on Loss
- Article 174-2 Submission and Retention of Transaction and Holding Records of Financial Investment Instruments
- Article 174-3 null
- Article 175 Sample Surveys
- CHAPTER VII PENALITY PROVISIONS
- Article 176 null
- Article 177 Administrative fine for Violation of Ordered Matters